| ASMUSS CODE | Size (OD) mm |
|---|---|
| M33935 | 28 x 39 |
| M33936 | 35 x 46 |
| M33937 | 42 x 56 |
| M33938 | 54 x 70 |
| M33939 | 76.1 x 88 |
| M33940 | 88.9 x 117 |
| M33941 | 108 x 144 |
We are currently not running Bob Le Hunt courses in person.
Please submit your details below and we will notify you when the courses resume.